Fixed playing video in component extensions.

net/url_request/url_range_request_job.h

Index: net/url_request/url_range_request_job.h
diff --git a/net/url_request/url_range_request_job.h b/net/url_request/url_range_request_job.h
new file mode 100644
index 0000000000000000000000000000000000000000..209177a6f4e1208cf8ad4b2ebf13faf70d95082b
--- /dev/null
+++ b/net/url_request/url_range_request_job.h
@@ -0,0 +1,41 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NET_URL_REQUEST_URL_RANGE_REQUEST_JOB_H_
+#define NET_URL_REQUEST_URL_RANGE_REQUEST_JOB_H_
+
+#include "net/base/net_export.h"
+#include "net/http/http_byte_range.h"
+#include "net/url_request/url_request_job.h"
+
+namespace net {
+
+class HttpRequestHeaders;
+
+// URLRequestJob with support for parsing range requests.
+// It is up to subclasses to handle the response
+// and deal with an errors parsing the range request header.
+// This must be done after Start() has been called.
+class NET_EXPORT URLRangeRequestJob : public URLRequestJob {
+ public:
+  URLRangeRequestJob(URLRequest* request,
+                     NetworkDelegate* delegate);
+
+  virtual void SetExtraRequestHeaders(
+      const HttpRequestHeaders& headers) OVERRIDE;
+
+  const std::vector<HttpByteRange>& ranges() const { return ranges_; }
+  int range_parse_result() const { return range_parse_result_; }
+
+ protected:
+  virtual ~URLRangeRequestJob();
+
+ private:
+  std::vector<HttpByteRange> ranges_;
+  int range_parse_result_;
+};
+
+}  // namespace net
+
+#endif  // NET_URL_REQUEST_URL_RANGE_REQUEST_JOB_H_